keratosis

[ ker-uh-toh-sis ]
/ ˌkɛr əˈtoʊ sɪs /

noun, plural ker·a·to·ses [ker-uh-toh-seez]. /ˌkɛr əˈtoʊ siz/. Pathology.

any horny growth of keratin on the skin, as a wart.
any horny growth of keratin elsewhere, as on the tonsils.

QUIZZES

THIS PSAT VOCABULARY QUIZ IS PERFECT PRACTICE FOR THE REAL TEST

In our third teacher-created PSAT practice test there are new and unique vocabulary terms you may have never heard of! Can you guess what they mean?
Question 1 of 10
seclusion
Also keratoma.

Origin of keratosis

First recorded in 1880–85; kerat- + -osis

OTHER WORDS FROM keratosis

ker·a·to·sic, ker·a·tot·ic [ker-uh-tot-ik], /ˌkɛr əˈtɒt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for keratosis

keratosis
/ (ˌkɛrəˈtəʊsɪs) /

noun pathol

any skin condition marked by a horny growth, such as a wart
a horny growth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for keratosis

keratosis
[ kĕr′ə-tōsĭs ]

n. pl. ker•a•to•ses (-sēz)

Excessive growth of horny tissue of the skin.

Other words from keratosis

ker′a•totic (-tŏtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.